-3x+4=2(x+2/5)

Solution for -3x+4=2(x+2/5) equation:

-3x+4=2(x+2/5)

We move all terms to the left:

-3x+4-(2(x+2/5))=0

We add all the numbers together, and all the variables

-3x-(2(+x+2/5))+4=0

We multiply all the terms by the denominator


-3x*5))-(2(+x+2+4*5))=0

We add all the numbers together, and all the variables

-3x*5))-(2(x+22))=0

We add all the numbers together, and all the variables

-3x*5))-(2(x=0

Wy multiply elements

-15x^2=0

a = -15; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·(-15)·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$x=\frac{-b}{2a}=\frac{0}{-30}=0$